Symfony2 & Doctrine: Create custom SQL-Query

Question

How can I create a custom SQL query in Symfony2 using Doctrine? Or without Doctrine, I don't care.

Doesn't work like this:

    $em = $this->getDoctrine()->getEntityManager();
    $em->createQuery($sql);
    $em->execute();

Thanks.

Invasive

Answer 1

You can get the Connection object directly from the Entity Manager, and run SQL queries directly through that:

$em = $this->getDoctrine()->getManager(); // ...or getEntityManager() prior to Symfony 2.1
$connection = $em->getConnection();
$statement = $connection->prepare("SELECT something FROM somethingelse WHERE id = :id");
$statement->bindValue('id', 123);
$statement->execute();
$results = $statement->fetchAll();

However, I'd advise against this unless it's really necessary... Doctrine's DQL can handle almost any query you might need.

Official documentation: https://www.doctrine-project.org/projects/doctrine-dbal/en/2.9/reference/data-retrieval-and-manipulation.html

Readus

There is also the Native SQL provision in Doctrine: docs.doctrine-project.org/en/latest/reference/native-sql.html – Relative

Please note getEntityManager is deprecated since Symfony 2.1. Use getManager instead – Mackler

While it's true that Doctrine and DQL and querybuilder can probably do 90% of what you want to do with a database, but sometimes you need to run queries and you don't the object overheard and constraints. This usually come up for me when I'm doing reporting. – Infirmary

Answer 2

You can execute this code it works :

$em = $this->getDoctrine()->getEntityManager();
$result= $em->createQuery($sql)->getResult();

Radicand

$em->createQuery() does not execute SQL, but DQL. – Fillander